package com.atguigu.gulimall.order.config;


import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * @author liuzemin
 * @date 2021/3/11 14:42
 * @description
 */
@Configuration
public class MyMQConfig {

//    @RabbitListener(queues = "order.release.order.queue")
//    public void listener(OrderEntity entity, Channel channel, Message message) throws IOException {
//        System.out.println("收到过期的订单信息：准备关闭订单"+entity.getOrderSn());
//        channel.basicAck(message.getMessageProperties().getDeliveryTag(),false);
//    }

    //@Bean Binding，Queue，Exchange

    /**
     * 容器中的Binding，Queue，Exchange 都会自动创建（RabbitMq没有的情况）
     * RabbitMQ 只要有。@Bean声明属性发生变化也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        Map<String, Object> arguments = new HashMap<>();
        /**
         * x-dead-letter-exchange: order-event-exchange
         * x-dead-letter-routing-key: order.release.order
         * x-message-ttl: 60000
         */
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);

        //String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);
        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        TopicExchange exchange = new TopicExchange("order-event-exchange",true,false);
        return exchange;
    }

    @Bean
    public Binding orderCreateOrderBinging(){
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, Map<String, Object> arguments
        Binding binding = new Binding("order.delay.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.create.order",null);
        return binding;
    }

    @Bean
    public Binding orderReleaseOrderBinging(){
        Binding binding = new Binding("order.release.order.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.order",null);
        return binding;
    }

    /**
     * 订单释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderReleaseOtherBinging(){
        Binding binding = new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "other.release.other.#",null);
        return binding;
    }

    @Bean
    public Queue orderSeckillOrderQueue(){
        return new Queue("order.seckill.order.queue",true,false,false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding(){
        return new Binding("order.seckill.order.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange","order.seckill.order",null);
    }


}












